JGE/src/JGui.cpp

@@ -0,0 +1,254 @@
+//-------------------------------------------------------------------------------------
+//
+// JGE++ is a hardware accelerated 2D game SDK for PSP/Windows.
+//
+// Licensed under the BSD license, see LICENSE in JGE root for details.
+// 
+// Copyright (c) 2007 James Hui (a.k.a. Dr.Watson) <jhkhui@gmail.com>
+// 
+//-------------------------------------------------------------------------------------
+
+#include "../include/JGE.h"
+#include "../include/JGui.h"
+
+JGE* JGuiObject::mEngine = NULL;
+
+JGE* JGuiController::mEngine = NULL;
+
+
+JGuiObject::JGuiObject(int id): mId(id) 
+{ 
+	mEngine = JGE::GetInstance(); 
+}
+
+
+JGuiObject::~JGuiObject() 
+{ 
+//	JGERelease(); 
+};
+
+
+bool JGuiObject::Leaving(u32 key) 
+{
+	return true; 
+}
+
+
+bool JGuiObject::ButtonPressed() 
+{ 
+	return false; 
+}
+
+
+void JGuiObject::Entering()
+{
+	
+}
+
+
+int JGuiObject::GetId()
+{
+	return mId;
+}
+
+
+void JGuiObject::Update(float dt) 
+{
+}
+
+JGuiController::JGuiController(int id, JGuiListener* listener) : mId(id), mListener(listener)
+{
+	mEngine = JGE::GetInstance();
+	
+	mBg = NULL;
+	mShadingBg = NULL;
+
+	mCount = 0;
+	mCurr = 0;
+
+	mCursorX = SCREEN_WIDTH/2;
+	mCursorY = SCREEN_HEIGHT/2;
+	mShowCursor = false;
+
+	mActionButton = PSP_CTRL_CIRCLE;
+	mLastKey = 0;
+
+	mStyle = JGUI_STYLE_WRAPPING;
+
+	mActive = true;
+}
+
+
+JGuiController::~JGuiController()
+{
+	for (int i=0;i<mCount;i++)
+		if (mObjects[i]!=NULL)
+			delete mObjects[i];
+
+//	JGERelease();
+}
+
+
+void JGuiController::Render()
+{
+//	if (mShadingBg != NULL)
+//		jge->Gfx_BlendRect(mShadingBg, mShadingColor);
+
+//	if (mBg != NULL)
+//		jge->Gfx_DrawImage(mBg, mBgX, mBgY);
+
+	for (int i=0;i<mCount;i++)
+		if (mObjects[i]!=NULL)
+			mObjects[i]->Render();
+}
+
+
+bool JGuiController::KeyRepeated(u32 key, float dt)
+{
+
+	bool doKey = false;
+	if (mLastKey != key)
+	{
+		mLastKey = key;
+		doKey = true;
+		mKeyRepeatDelay = JGUI_INITIAL_DELAY;
+	}
+	else
+	{
+		mKeyRepeatDelay -= dt;
+		if (mKeyRepeatDelay <= 0.0f)
+		{
+			mKeyRepeatDelay = JGUI_REPEAT_DELAY;
+			doKey = true;
+		}
+	}
+
+	return doKey;
+}
+
+
+void JGuiController::Update(float dt)
+{
+	for (int i=0;i<mCount;i++)
+		if (mObjects[i]!=NULL)
+			mObjects[i]->Update(dt);
+
+	if (mEngine->GetButtonClick(mActionButton))
+	{
+		if (mObjects[mCurr] != NULL && mObjects[mCurr]->ButtonPressed())
+		{
+			if (mListener != NULL)
+			{
+				mListener->ButtonPressed(mId, mObjects[mCurr]->GetId());
+				return;
+			}
+		}
+	}
+	
+	if (mEngine->GetButtonState(PSP_CTRL_LEFT) || mEngine->GetButtonState(PSP_CTRL_UP) || mEngine->GetAnalogY()<64 || mEngine->GetAnalogX()<64)
+	{
+		if (KeyRepeated(PSP_CTRL_UP, dt))
+		{
+			int n = mCurr;
+			n--;
+			if (n<0)
+			{
+				if ((mStyle&JGUI_STYLE_WRAPPING))
+					n = mCount-1;
+				else
+					n = 0;
+			}
+
+			if (n != mCurr && mObjects[mCurr] != NULL && mObjects[mCurr]->Leaving(PSP_CTRL_UP))
+			{
+				mCurr = n;
+				mObjects[mCurr]->Entering();
+			}
+		}
+	}
+	else if (mEngine->GetButtonState(PSP_CTRL_RIGHT) || mEngine->GetButtonState(PSP_CTRL_DOWN) || mEngine->GetAnalogY()>192 || mEngine->GetAnalogX()>192)
+	{
+		if (KeyRepeated(PSP_CTRL_DOWN, dt))
+		{
+			int n = mCurr;
+			n++;
+			if (n>mCount-1)
+			{
+				if ((mStyle&JGUI_STYLE_WRAPPING))
+					n = 0;
+				else
+					n = mCount-1;
+			}
+
+			if (n != mCurr && mObjects[mCurr] != NULL && mObjects[mCurr]->Leaving(PSP_CTRL_DOWN))
+			{
+				mCurr = n;
+				mObjects[mCurr]->Entering();
+			}
+		}
+	}
+	else
+		mLastKey = 0;
+
+}
+
+
+void JGuiController::Add(JGuiObject* ctrl)
+{
+	if (mCount<MAX_GUIOBJECT)
+	{
+		mObjects[mCount++] = ctrl;
+	}
+}
+
+
+void JGuiController::Remove(int id)
+{
+	for (int i=0;i<mCount;i++)
+	{
+		if (mObjects[i] != NULL && mObjects[i]->GetId()==id)
+		{
+			delete mObjects[i];
+			for (int j=i;j<mCount-1;j++)
+			{
+				mObjects[j] = mObjects[j+1];
+			}
+			mObjects[mCount-1] = NULL;
+			mCount--;
+			if (mCurr == mCount)
+				mCurr = 0;
+			return;
+		}
+	}
+}
+
+
+void JGuiController::Remove(JGuiObject* ctrl)
+{
+	for (int i=0;i<mCount;i++)
+	{
+		if (mObjects[i] != NULL && mObjects[i]==ctrl)
+		{
+			delete mObjects[i];
+			for (int j=i;j<mCount-1;j++)
+			{
+				mObjects[j] = mObjects[j+1];
+			}
+			mObjects[mCount-1] = NULL;
+			mCount--;
+			if (mCurr == mCount)
+				mCurr = 0;
+			return;
+		}
+	}
+}
+
+
+void JGuiController::SetActionButton(u32 button) { mActionButton = button; }
+void JGuiController::SetStyle(int style) { mStyle = style;	}
+void JGuiController::SetCursor(JSprite* cursor) { mCursor = cursor; }
+bool JGuiController::IsActive() { return mActive; }
+void JGuiController::SetActive(bool flag) { mActive = flag; }
+
+
+